Gravesendの時間
13:57:13
日の出: 05:57:32 
日没: 20:04:3820:57:13
15:57:13
09:57:13
18:27:13
06:57:13
20:57:13
17:57:13
20:57:13
20:57:13
18:27:13
15:57:13
20:57:13
18:57:13
21:57:13
09:57:13
Gravesendと主要都市の時差
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
-1
-4
-4
-4
-5
-5
-5
-6
-6
-7
-8